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<FONT color="green">001</FONT>    package maze.model;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.io.Serializable;<a name="line.3"></a>
<FONT color="green">004</FONT>    import java.util.Observable;<a name="line.4"></a>
<FONT color="green">005</FONT>    <a name="line.5"></a>
<FONT color="green">006</FONT>    /**<a name="line.6"></a>
<FONT color="green">007</FONT>     * This model stores the sizes of the cells and wall segments that are drawn to<a name="line.7"></a>
<FONT color="green">008</FONT>     * the screen.<a name="line.8"></a>
<FONT color="green">009</FONT>     */<a name="line.9"></a>
<FONT color="green">010</FONT>    public final class CellSizeModel extends Observable implements Cloneable, Serializable<a name="line.10"></a>
<FONT color="green">011</FONT>    {<a name="line.11"></a>
<FONT color="green">012</FONT>       private int cellWidth;<a name="line.12"></a>
<FONT color="green">013</FONT>       private int cellHeight;<a name="line.13"></a>
<FONT color="green">014</FONT>       private int wallWidth;<a name="line.14"></a>
<FONT color="green">015</FONT>       private int wallHeight;<a name="line.15"></a>
<FONT color="green">016</FONT>       private final boolean forceEven;<a name="line.16"></a>
<FONT color="green">017</FONT>    <a name="line.17"></a>
<FONT color="green">018</FONT>       /**<a name="line.18"></a>
<FONT color="green">019</FONT>        * Constructor.<a name="line.19"></a>
<FONT color="green">020</FONT>        * @param forceEven Force the values stored in this model to be even.<a name="line.20"></a>
<FONT color="green">021</FONT>        */<a name="line.21"></a>
<FONT color="green">022</FONT>       public CellSizeModel(boolean forceEven)<a name="line.22"></a>
<FONT color="green">023</FONT>       {<a name="line.23"></a>
<FONT color="green">024</FONT>          this.forceEven = forceEven;<a name="line.24"></a>
<FONT color="green">025</FONT>       }<a name="line.25"></a>
<FONT color="green">026</FONT>    <a name="line.26"></a>
<FONT color="green">027</FONT>       @Override<a name="line.27"></a>
<FONT color="green">028</FONT>       public String toString()<a name="line.28"></a>
<FONT color="green">029</FONT>       {<a name="line.29"></a>
<FONT color="green">030</FONT>          return "Cell[w=" +<a name="line.30"></a>
<FONT color="green">031</FONT>                 this.cellWidth +<a name="line.31"></a>
<FONT color="green">032</FONT>                 ",h=" +<a name="line.32"></a>
<FONT color="green">033</FONT>                 this.cellHeight +<a name="line.33"></a>
<FONT color="green">034</FONT>                 "] Wall[w=" +<a name="line.34"></a>
<FONT color="green">035</FONT>                 this.wallWidth +<a name="line.35"></a>
<FONT color="green">036</FONT>                 ",h=" +<a name="line.36"></a>
<FONT color="green">037</FONT>                 this.wallHeight +<a name="line.37"></a>
<FONT color="green">038</FONT>                 "]";<a name="line.38"></a>
<FONT color="green">039</FONT>       }<a name="line.39"></a>
<FONT color="green">040</FONT>    <a name="line.40"></a>
<FONT color="green">041</FONT>       public void setCellWidth(int cellWidth)<a name="line.41"></a>
<FONT color="green">042</FONT>       {<a name="line.42"></a>
<FONT color="green">043</FONT>          if (this.forceEven &amp;&amp; (cellWidth &amp; 1) == 1)<a name="line.43"></a>
<FONT color="green">044</FONT>          {<a name="line.44"></a>
<FONT color="green">045</FONT>             cellWidth--;<a name="line.45"></a>
<FONT color="green">046</FONT>          }<a name="line.46"></a>
<FONT color="green">047</FONT>          if (this.cellWidth != cellWidth)<a name="line.47"></a>
<FONT color="green">048</FONT>          {<a name="line.48"></a>
<FONT color="green">049</FONT>             this.cellWidth = cellWidth;<a name="line.49"></a>
<FONT color="green">050</FONT>             super.setChanged();<a name="line.50"></a>
<FONT color="green">051</FONT>          }<a name="line.51"></a>
<FONT color="green">052</FONT>       }<a name="line.52"></a>
<FONT color="green">053</FONT>    <a name="line.53"></a>
<FONT color="green">054</FONT>       public void setCellHeight(int cellHeight)<a name="line.54"></a>
<FONT color="green">055</FONT>       {<a name="line.55"></a>
<FONT color="green">056</FONT>          if (this.forceEven &amp;&amp; (cellHeight &amp; 1) == 1)<a name="line.56"></a>
<FONT color="green">057</FONT>          {<a name="line.57"></a>
<FONT color="green">058</FONT>             cellHeight--;<a name="line.58"></a>
<FONT color="green">059</FONT>          }<a name="line.59"></a>
<FONT color="green">060</FONT>          if (this.cellHeight != cellHeight)<a name="line.60"></a>
<FONT color="green">061</FONT>          {<a name="line.61"></a>
<FONT color="green">062</FONT>             this.cellHeight = cellHeight;<a name="line.62"></a>
<FONT color="green">063</FONT>             super.setChanged();<a name="line.63"></a>
<FONT color="green">064</FONT>          }<a name="line.64"></a>
<FONT color="green">065</FONT>       }<a name="line.65"></a>
<FONT color="green">066</FONT>    <a name="line.66"></a>
<FONT color="green">067</FONT>       public void setWallWidth(int wallWidth)<a name="line.67"></a>
<FONT color="green">068</FONT>       {<a name="line.68"></a>
<FONT color="green">069</FONT>          if (this.forceEven &amp;&amp; (wallWidth &amp; 1) == 1)<a name="line.69"></a>
<FONT color="green">070</FONT>          {<a name="line.70"></a>
<FONT color="green">071</FONT>             wallWidth++;<a name="line.71"></a>
<FONT color="green">072</FONT>          }<a name="line.72"></a>
<FONT color="green">073</FONT>          if (this.wallWidth != wallWidth)<a name="line.73"></a>
<FONT color="green">074</FONT>          {<a name="line.74"></a>
<FONT color="green">075</FONT>             this.wallWidth = wallWidth;<a name="line.75"></a>
<FONT color="green">076</FONT>             super.setChanged();<a name="line.76"></a>
<FONT color="green">077</FONT>          }<a name="line.77"></a>
<FONT color="green">078</FONT>       }<a name="line.78"></a>
<FONT color="green">079</FONT>    <a name="line.79"></a>
<FONT color="green">080</FONT>       public void setWallHeight(int wallHeight)<a name="line.80"></a>
<FONT color="green">081</FONT>       {<a name="line.81"></a>
<FONT color="green">082</FONT>          if (this.forceEven &amp;&amp; (wallHeight &amp; 1) == 1)<a name="line.82"></a>
<FONT color="green">083</FONT>          {<a name="line.83"></a>
<FONT color="green">084</FONT>             wallHeight++;<a name="line.84"></a>
<FONT color="green">085</FONT>          }<a name="line.85"></a>
<FONT color="green">086</FONT>          if (this.wallHeight != wallHeight)<a name="line.86"></a>
<FONT color="green">087</FONT>          {<a name="line.87"></a>
<FONT color="green">088</FONT>             this.wallHeight = wallHeight;<a name="line.88"></a>
<FONT color="green">089</FONT>             super.setChanged();<a name="line.89"></a>
<FONT color="green">090</FONT>          }<a name="line.90"></a>
<FONT color="green">091</FONT>       }<a name="line.91"></a>
<FONT color="green">092</FONT>    <a name="line.92"></a>
<FONT color="green">093</FONT>       public int getCellWidth()<a name="line.93"></a>
<FONT color="green">094</FONT>       {<a name="line.94"></a>
<FONT color="green">095</FONT>          return cellWidth;<a name="line.95"></a>
<FONT color="green">096</FONT>       }<a name="line.96"></a>
<FONT color="green">097</FONT>    <a name="line.97"></a>
<FONT color="green">098</FONT>       public int getCellHeight()<a name="line.98"></a>
<FONT color="green">099</FONT>       {<a name="line.99"></a>
<FONT color="green">100</FONT>          return cellHeight;<a name="line.100"></a>
<FONT color="green">101</FONT>       }<a name="line.101"></a>
<FONT color="green">102</FONT>    <a name="line.102"></a>
<FONT color="green">103</FONT>       public int getWallWidth()<a name="line.103"></a>
<FONT color="green">104</FONT>       {<a name="line.104"></a>
<FONT color="green">105</FONT>          return wallWidth;<a name="line.105"></a>
<FONT color="green">106</FONT>       }<a name="line.106"></a>
<FONT color="green">107</FONT>    <a name="line.107"></a>
<FONT color="green">108</FONT>       public int getWallHeight()<a name="line.108"></a>
<FONT color="green">109</FONT>       {<a name="line.109"></a>
<FONT color="green">110</FONT>          return wallHeight;<a name="line.110"></a>
<FONT color="green">111</FONT>       }<a name="line.111"></a>
<FONT color="green">112</FONT>    <a name="line.112"></a>
<FONT color="green">113</FONT>       public int getCellWidthHalf()<a name="line.113"></a>
<FONT color="green">114</FONT>       {<a name="line.114"></a>
<FONT color="green">115</FONT>          return cellWidth / 2;<a name="line.115"></a>
<FONT color="green">116</FONT>       }<a name="line.116"></a>
<FONT color="green">117</FONT>    <a name="line.117"></a>
<FONT color="green">118</FONT>       public int getCellHeightHalf()<a name="line.118"></a>
<FONT color="green">119</FONT>       {<a name="line.119"></a>
<FONT color="green">120</FONT>          return cellHeight / 2;<a name="line.120"></a>
<FONT color="green">121</FONT>       }<a name="line.121"></a>
<FONT color="green">122</FONT>    <a name="line.122"></a>
<FONT color="green">123</FONT>       public int getWallWidthHalf()<a name="line.123"></a>
<FONT color="green">124</FONT>       {<a name="line.124"></a>
<FONT color="green">125</FONT>          return wallWidth / 2;<a name="line.125"></a>
<FONT color="green">126</FONT>       }<a name="line.126"></a>
<FONT color="green">127</FONT>    <a name="line.127"></a>
<FONT color="green">128</FONT>       public int getWallHeightHalf()<a name="line.128"></a>
<FONT color="green">129</FONT>       {<a name="line.129"></a>
<FONT color="green">130</FONT>          return wallHeight / 2;<a name="line.130"></a>
<FONT color="green">131</FONT>       }<a name="line.131"></a>
<FONT color="green">132</FONT>    <a name="line.132"></a>
<FONT color="green">133</FONT>       public int getCellWidthInner()<a name="line.133"></a>
<FONT color="green">134</FONT>       {<a name="line.134"></a>
<FONT color="green">135</FONT>          return this.cellWidth - this.wallWidth;<a name="line.135"></a>
<FONT color="green">136</FONT>       }<a name="line.136"></a>
<FONT color="green">137</FONT>    <a name="line.137"></a>
<FONT color="green">138</FONT>       public int getCellHeightInner()<a name="line.138"></a>
<FONT color="green">139</FONT>       {<a name="line.139"></a>
<FONT color="green">140</FONT>          return this.cellHeight - this.wallHeight;<a name="line.140"></a>
<FONT color="green">141</FONT>       }<a name="line.141"></a>
<FONT color="green">142</FONT>    <a name="line.142"></a>
<FONT color="green">143</FONT>       @Override<a name="line.143"></a>
<FONT color="green">144</FONT>       public int hashCode()<a name="line.144"></a>
<FONT color="green">145</FONT>       {<a name="line.145"></a>
<FONT color="green">146</FONT>          final int prime = 31;<a name="line.146"></a>
<FONT color="green">147</FONT>          int result = 1;<a name="line.147"></a>
<FONT color="green">148</FONT>          result = prime * result + cellHeight;<a name="line.148"></a>
<FONT color="green">149</FONT>          result = prime * result + cellWidth;<a name="line.149"></a>
<FONT color="green">150</FONT>          result = prime * result + wallHeight;<a name="line.150"></a>
<FONT color="green">151</FONT>          result = prime * result + wallWidth;<a name="line.151"></a>
<FONT color="green">152</FONT>          return result;<a name="line.152"></a>
<FONT color="green">153</FONT>       }<a name="line.153"></a>
<FONT color="green">154</FONT>    <a name="line.154"></a>
<FONT color="green">155</FONT>       @Override<a name="line.155"></a>
<FONT color="green">156</FONT>       public boolean equals(Object obj)<a name="line.156"></a>
<FONT color="green">157</FONT>       {<a name="line.157"></a>
<FONT color="green">158</FONT>          if (this == obj)<a name="line.158"></a>
<FONT color="green">159</FONT>             return true;<a name="line.159"></a>
<FONT color="green">160</FONT>          if (obj == null)<a name="line.160"></a>
<FONT color="green">161</FONT>             return false;<a name="line.161"></a>
<FONT color="green">162</FONT>          if (! (obj instanceof CellSizeModel))<a name="line.162"></a>
<FONT color="green">163</FONT>             return false;<a name="line.163"></a>
<FONT color="green">164</FONT>          CellSizeModel other = (CellSizeModel) obj;<a name="line.164"></a>
<FONT color="green">165</FONT>          if (cellHeight != other.cellHeight)<a name="line.165"></a>
<FONT color="green">166</FONT>             return false;<a name="line.166"></a>
<FONT color="green">167</FONT>          if (cellWidth != other.cellWidth)<a name="line.167"></a>
<FONT color="green">168</FONT>             return false;<a name="line.168"></a>
<FONT color="green">169</FONT>          if (wallHeight != other.wallHeight)<a name="line.169"></a>
<FONT color="green">170</FONT>             return false;<a name="line.170"></a>
<FONT color="green">171</FONT>          if (wallWidth != other.wallWidth)<a name="line.171"></a>
<FONT color="green">172</FONT>             return false;<a name="line.172"></a>
<FONT color="green">173</FONT>          return true;<a name="line.173"></a>
<FONT color="green">174</FONT>       }<a name="line.174"></a>
<FONT color="green">175</FONT>    <a name="line.175"></a>
<FONT color="green">176</FONT>       @Override<a name="line.176"></a>
<FONT color="green">177</FONT>       public CellSizeModel clone()<a name="line.177"></a>
<FONT color="green">178</FONT>       {<a name="line.178"></a>
<FONT color="green">179</FONT>          try<a name="line.179"></a>
<FONT color="green">180</FONT>          {<a name="line.180"></a>
<FONT color="green">181</FONT>             return (CellSizeModel) super.clone();<a name="line.181"></a>
<FONT color="green">182</FONT>          }<a name="line.182"></a>
<FONT color="green">183</FONT>          catch (CloneNotSupportedException e)<a name="line.183"></a>
<FONT color="green">184</FONT>          {<a name="line.184"></a>
<FONT color="green">185</FONT>             throw new RuntimeException(e);<a name="line.185"></a>
<FONT color="green">186</FONT>          }<a name="line.186"></a>
<FONT color="green">187</FONT>       }<a name="line.187"></a>
<FONT color="green">188</FONT>    <a name="line.188"></a>
<FONT color="green">189</FONT>    }<a name="line.189"></a>




























































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